build-apk.yml

name: Build apk

on:
  workflow_dispatch:
    inputs:
      build_variant:
        description: "Variant to build"
        type: choice
        required: true
        default: "originalRelease"
        options:
          - originalDebug
          - originalRelease
          - mdmDebug
          - mdmRelease
          - qaDebug
          - qaRelease
      version:
        description: "Version to build (commit, branch or tag)"
        type: string
        default: "master"

  # This workflow can be reused via workflow_call.
  # It builds an APK from the owncloud/android repository at the requested version
  # and exposes the generated artifact name and commit hash as outputs.
  workflow_call:
    inputs:
      build_variant:
        description: Variant to build
        type: string
        default: "originalRelease"
      version:
        description: "Version to build (commit, branch or tag)"
        type: string
        default: "master"
    outputs:
      artifact_name:
        description: "Generated APK artifact name"
        value: ${{ jobs.build_apk.outputs.artifact_name }}
      commit_hash:
        description: "Commit hash of the artifact"
        value: ${{ jobs.build_apk.outputs.commit_hash }}

permissions:
  contents: read

# NOTE:
# This workflow intentionally builds unsigned APKs for internal usage.
# No signing step is performed as part of this workflow.

jobs:
  # Builds the requested app variant and publishes the generated APK as an artifact
  build_apk:
    name: Build APK
    runs-on: ubuntu-latest
    outputs:
      artifact_name: ${{ steps.set_artifact.outputs.artifact_name }}
      commit_hash: ${{ steps.commit.outputs.commit_hash }}

    steps:
      # Validate build variant (mainly for workflow_call usage)
      - name: Validate build variant
        run: |
          case "${{ inputs.build_variant }}" in
            originalDebug|originalRelease|mdmDebug|mdmRelease|qaDebug|qaRelease) ;;
            *) echo "Invalid build_variant: ${{ inputs.build_variant }}" && exit 1 ;;
          esac

      # Checkout the repo
      - name: Checkout current repo
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 #v7.0.1
        with:
          repository: owncloud/android
          ref: ${{ inputs.version }}

      # Retrieve and expose the app commit hash as a workflow output
      - name: Get commit hash
        id: commit
        run: |
          COMMIT_HASH=$(git rev-parse HEAD)
          echo "Commit hash: $COMMIT_HASH"
          echo "commit_hash=$COMMIT_HASH" >> $GITHUB_OUTPUT
 
      # Set Java-JDK version
      - name: Setup JDK
        uses: actions/setup-java@de7274f081f381c8f8158605e0321c36c376e2e6 #v6.0.1
        with:
          distribution: 'temurin'
          java-version: '17'

      # Cache gradle
      - name: Cache Gradle
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 #v6.1.0
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-

      # Build the apk with the given variant
      - name: Build APK
        run: ./gradlew clean assemble${{ inputs.build_variant }}

      # Name the output artifact with date, commit, and variant
      - name: Set artifact name
        id: set_artifact
        run: |
          DATE=$(date +%Y%m%d_%H%M)
          COMMIT=$(git rev-parse --short HEAD)
          VARIANT="${{ inputs.build_variant }}"

          # Extract flavor and build type from variant (e.g. qaRelease -> qa / release)
          FLAVOR=$(echo "$VARIANT" | sed -E 's/(Release|Debug)//' | tr '[:upper:]' '[:lower:]')
          BUILD_TYPE=$(echo "$VARIANT" | grep -qi debug && echo debug || echo release)
          NAME="ownCloud-${{ inputs.build_variant }}-${COMMIT}-${DATE}.apk"

          APK_PATH=$(find ./owncloudApp/build/outputs/apk/$FLAVOR/$BUILD_TYPE/ -name "*.apk")

          echo "$APK_PATH"

          # Verify that apk exists
          if [ -z "$APK_PATH" ]; then
            echo "❌ APK not found in ./owncloudApp/build/outputs/apk/$FLAVOR/$BUILD_TYPE/"
            exit 1
          fi

          # Copy to root for an easier handling
          cp "$APK_PATH" "./$NAME"

          # Publish as output
          echo "artifact_name=$NAME" >> $GITHUB_OUTPUT

      # Publish the artifact
      - name: Upload artifact
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a #v7.0.1
        with:
          name: ${{ steps.set_artifact.outputs.artifact_name }}
          path: ./${{ steps.set_artifact.outputs.artifact_name }}